A kind of inertia friction weld equipment
Technical field
The utility model relates to Friction welding technique fields, and in particular to a kind of inertia friction weld equipment.
Background technique
Inertia friction welding belongs to a kind of solid-phase welding technology, is a kind of typical friction-welding technique, is widely used in each
The welding application field of kind of the same race and non-same material, due to its in welding energy input set, welding heat affected region it is narrow,
The features such as welding quality stable, is widely used to the occasion for being welded with high quality requirement.
Traditional inertia friction welding welding system, (system in the case where the given load inertia of system and welding initial speed
Gross energy), welding process is mainly adjusted by the classification of forging force setting, the relative angle of workpiece be it is random, lead to postwelding
The phase of workpiece is uncontrollable, and relative angle deviation is larger, often result in this way postwelding workpiece will become final finished product there is still a need for
More secondary operation amount, workload increase, cycle stretch-out.How to solve the above problems is that those skilled in the art are urgently to be resolved
Thing.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of inertia friction weld equipment, realize
To the phase controlling of welding workpiece, so that there is the workpiece of relative angle requirement for postwelding, angular deviation is smaller than 0.2 °, greatly
Postwelding Workpiece length is saved to secondary operation amount needed for final finished greatly.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of inertia friction weld equipment, including master
Machine system, the host system include pedestal and the main shaft being mounted on the base, slide unit, power device, upset forging cylinder,
What the main shaft can be rotated around self-axis line direction is mounted on the base, and one end of the main shaft is clamped with workpiece a,
The output end of the power device is connected, for driving the main shaft to revolve around self-axis line direction with the other end of the main shaft
Turn, what the slide unit can axially slide along itself is mounted on the base, and the slide unit is on the side of the workpiece a
Work can be clamped in the clamping rotary shaft that self-axis line direction rotates, the free end for clamping rotary shaft by being also equipped with
Part b, the output end of the upset forging cylinder are connected, for driving the slide unit far from the other end of the workpiece a with the slide unit
Along itself axially sliding setting, it is equipped with rotation angle mark on the workpiece a and the workpiece b, in the clamping rotary shaft
It is provided with fixed clutch, the fixed clutch can be engaged on described clamp on side radially of the axis of rotation or described in disengaging
Rotary shaft is clamped, the welding equipment further includes hydraulic system and control system, and the hydraulic system includes power pump group, level-one
Pressure proportional adjusts output, secondary pressure servo ratio adjusts output, quickly responding to switch access I, and the power pump group is used for
Total output pressure oil is provided to the host system;The first class pressure proportion adjustment output is for adjusting the power device
Energy input;The secondary pressure servo ratio adjusts the hydro-cushion exported for adjusting the upset forging cylinder Yu the main shaft
The pressure of piston;The quickly responding to switch access I is for controlling the fixed clutch engagement or being detached from the clamping rotation
Axis.
Preferably, the control system includes PLC control unit, and the PLC control unit is described for setting and controlling
Power pump group and the pressure of first class pressure proportion adjustment output, setting and control the revolving speed of the power device, to welding
Parameter in the process is detected, the welding data in welding process is read out and is stored.
Preferably, the control system includes high-speed controller I, the high-speed controller I and the secondary pressure servo
Proportion adjustment output is connected, the pressure of the hydro-cushion piston for adjusting the upset forging cylinder and the main shaft.
It is further preferred that the host system further includes on the main shaft for detecting the tachometer value of the main shaft
Rotary encoder, on the slide unit for detect the slide unit shift value displacement sensor.
It is further preferred that the main shaft that the high-speed controller I is detected according to the rotary encoder
Tachometer value, the slide unit detected by institute's displacement sensors shift value adjust the upset forging cylinder and the main shaft
Hydro-cushion piston pressure.
It is further preferred that the control system further includes background system, patrolled for the control to the high-speed controller I
It collects and is analyzed, modified, corrected.
Preferably, the control system includes the high-speed controller acted for controlling the quickly responding to switch access I
Ⅱ。
It is further preferred that the control system further includes background system, for the control to the high-speed controller II
Logic is analyzed, is modified, is corrected.
Preferably, the power device is power motor or motor.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art
The inertia friction weld equipment of type, the welding equipment include host system, Hydraulic system and control system, are wrapped in the hydraulic system
It included to host system and the power pump group of total output pressure oil is provided, adjusted the first class pressure ratio tune of power device energy input
Section output, the secondary pressure servo ratio adjusting for the hydro-cushion piston pressure for adjusting upset forging cylinder and main shaft exports and control
Fixed clutch engagement is detached from the quickly responding to switch access I for clamping rotary shaft, while being controlled by PLC control unit, high speed
Device I and high-speed controller II processed are matched with hydraulic system, by logic of propositions formula in high-speed controller II come to workpiece a with
Angu-lar deviation between workpiece b sets lead, then by quickly responding to switch access I timely to fixed clutch into
Row is opened, so that the relative angle of soldered workpiece is less than 0.2 °, and the phase of postwelding workpiece is controllable.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the host system in welding equipment described in the utility model;
Attached drawing 2 is the schematic block diagram of the hydraulic system in welding equipment described in the utility model;
Attached drawing 3 is the schematic block diagram of the control system in welding equipment described in the utility model;
Wherein: 1, pedestal;2, main shaft;3, slide unit;4, power device;5, upset forging cylinder;6, rotary shaft is clamped;7, fix from
Clutch;8, rotary encoder;9, displacement sensor;10, workpiece a;11, workpiece b.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the technical solution of the utility model.
A kind of inertia friction weld equipment, including host system, Hydraulic system and control system.
The host system includes pedestal 1 and the main shaft 2 being mounted on the pedestal 1, slide unit 3, power device 4, upset oil
Cylinder 5, it is shown in Figure 1.What the main shaft 2 can be rotated around self-axis line direction is mounted on the pedestal 1, and the one of the main shaft 2
End is clamped with workpiece a10, and the output end of power device 4 is connected with the other end of main shaft 2, is used for driving spindle 2 around Pivot Point Center
Line direction rotates, and the power device 4 in this example is power motor, is also possible to motor.The slide unit 3 can be axially sliding along itself
That moves is mounted on pedestal 1, which is also equipped on the side of workpiece a10 to rotate around self-axis line direction
Clamping rotary shaft 6, workpiece b11 is clamped on the free end of the clamping rotary shaft 6, the output end and slide unit 3 of upset forging cylinder 5 are remote
The other end from workpiece a10 is connected, for driving slide unit 3 along itself axially sliding setting.It is equal on workpiece a10 and workpiece b11
Equipped with rotation angle mark, it is additionally provided with fixed clutch 7 in the clamping rotary shaft 6, which can be engaged on folder
On the radial side of tight rotary shaft 6 or it is detached from clamping rotary shaft 6, it is shown in Figure 1.When fixed clutch 7 engages, rotation is clamped
Shaft 6 and slide unit 3 are relatively fixed, and when fixed clutch 7, which is detached from, clamps rotary shaft 6, clamping rotary shaft 6 can be around Pivot Point Center
Line direction rotates.When specific welding, fixed clutch 7 is engaged, workpiece b11 gripped by clamping rotary shaft 6 and with workpiece a10
Frictional heat generation under the action of axial force, entirely welds mechanism, by the relative rotary motion of workpiece a10 and workpiece 11b
Frictional heat generation provides welding energy input, while can control the opposite fortune of workpiece a10 and workpiece b11 by fixed clutch 7
Dynamic state, after fixed clutch 7 disengages, workpiece b11 can be driven by workpiece a10 to be rotated.
The welding equipment further includes hydraulic system and control system, which includes power pump group, first class pressure ratio
Example adjusts output, secondary pressure servo ratio adjusts output, quickly responding to switch access I, shown in Figure 2, and power pump group is used
In to host system provide total output pressure oil;First class pressure proportion adjustment exports the energy input for adjusting power device 4;
Secondary pressure servo ratio adjusts the pressure of hydro-cushion piston of the output for adjusting upset forging cylinder 5 and main shaft 2;Quick response
Switch ways I clamp rotary shaft 6 for controlling the engagement of fixed clutch 7 or being detached from.
The control system includes PLC control unit, high-speed controller I, shown in Figure 3.The PLC control unit is for setting
Determine the pressure exported with control power pump group and first class pressure proportion adjustment, setting and controls the revolving speed of power device 4, to welding
Parameter in the process is detected, the welding data in welding process is read out and is stored.The high-speed controller I and second level
The output of pressure servo proportion adjustment is connected, the pressure of the hydro-cushion piston for adjusting upset forging cylinder 5 and main shaft 2.
Here, host system further includes on main shaft 2 for detecting the rotary encoder 8 of the tachometer value of main shaft 2, being set to
It is shown in Figure 1 for detecting the displacement sensor 9 of the shift value of slide unit 3 on slide unit 3.The high-speed controller I is compiled according to rotation
The shift value of slide unit 3 detected by the tachometer value of the main shaft 2 that detects of code device 8, displacement sensor 9 adjusts upset forging cylinder 5
And the pressure of the hydro-cushion piston of main shaft 2.
The control system further includes high-speed controller II and background system, and shown in Figure 3, which uses
It is acted in control quickly responding to switch access I, the background system is for patrolling high-speed controller I and the control of high-speed controller II
It collects and is analyzed, modified, corrected.
When being welded using this welding equipment, the specific steps are as follows: workpiece a10, workpiece b11 are loaded into main shaft respectively
2, on the chuck assembly in clamping rotary shaft 6, are respectively equipped with rotation angle mark convenient for subsequent angle on workpiece a10, workpiece b11
Deviation detection is spent, fixed clutch 7 is in meshing state under initial state.PLC control unit presets drive motor
Tachometer value, the power pump group of control starting later, is then controlled the output of first class pressure proportion adjustment, is generally exported using constant pressure,
The revolving speed of main shaft 2 is detected by rotary encoder 8, and related data is stored by PLC control unit, works as rotary coding
Device 8 detects the power input that 2 revolving speed of main shaft reaches PLC control unit stopping drive motor after preset value, later by High-speed Control
Device I controls the output of secondary pressure servo ratio, (can be set to 20bar) when pressure value reaches initial set value P1, is passed by displacement
Sensor 9 detects the initial displacement value of slide unit 3, detects the initial speed value of main shaft 2 by rotary encoder 8, the shift value of slide unit 3,
Tachometer value, upset forging cylinder 5 and the pressure value of the hydro-cushion piston of main shaft 2 of main shaft 2 are directly controlled by high-speed controller I, high speed
Device II processed is read, and PLC control unit carries out the synchronous of related parameter values and reads and store, and welding process is always by controlling at a high speed later
Device I processed carries out welding process by the output of secondary pressure servo ratio according to the changing value of the displacement of slide unit 3, the revolving speed of main shaft 2
The control of pressure, pressure generally takes classification constant pressure control herein, when 2 Rotating speed measring of main shaft is R1, change in displacement is examined
Surveying is L1, when angu-lar deviation is detected as W1, opens quickly responding to switch access I by high-speed controller II, makes in host system
Fixed clutch 7 be detached from clamp rotary shaft 6, make clamp rotary shaft 6 can be rotated with main shaft 2, the unlatching of fixed clutch 7
Time sets lead according to angu-lar deviation W1, and the selection of lead is carried out by logic of propositions formula in high-speed controller II
It calculates and determines, preset control logic formula can be carried out by continuous experience accumulation in high-speed controller I, high-speed controller II
Self-recision can also be changed manually by background system, be corrected, and 2 Rotating speed measring of main shaft is 0, and welding is completed, and workpiece is opposite
Angle determines.
To sum up, the tachometer value of driving device is preset by PLC control unit, then regulates and controls first class pressure proportion adjustment
Output, it is defeated by secondary pressure servo ratio according to the changing value of the displacement of the revolving speed, slide unit 3 of main shaft 2 by high-speed controller I
The control of welding process pressure is carried out out, and high-speed controller II passes through the switch regulation fixed clutch 7 of quickly responding to switch access I
Unlatching, realize the accurate control to welding parameter each in welding process, pass through background system change, amendment high-speed controller
I, preset control logic formula in high-speed controller II realizes the determination of workpiece relative angle, so that having relatively for postwelding
Secondary needed for postwelding Workpiece length to final finished add is greatly saved less than 0.2 ° in the workpiece of angle requirement, angular deviation
Work amount.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.